Home / 446,740.60-670,229.70-193,912.60

Finding the Fourth Proportional to 446,740.60, 670,229.70 and 193,912.60

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Solution

The fourth proportional to 446,740.60, 670,229.70 and 193,912.60 is: 290,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,740.60 : 670,229.70 = 193,912.60 : x
  2. Step 2: Convert to fraction form
    446,740.60/670,229.70 = 193,912.60/x
  3. Step 3: Cross multiply
    446,740.60x = 670,229.70 × 193,912.60
  4. Step 4: Simplify right side
    446,740.60x = 129,965,983,724.22
  5. Step 5: Solve for x
    x = 129,965,983,724.22/446,740.60
  6. Step 6: Final answer
    x = 290,920.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.